Home / 40,036.14-55,247.49-22,130.07

Finding the Fourth Proportional to 40,036.14, 55,247.49 and 22,130.07

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Solution

The fourth proportional to 40,036.14, 55,247.49 and 22,130.07 is: 30,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.14 : 55,247.49 = 22,130.07 : x
  2. Step 2: Convert to fraction form
    40,036.14/55,247.49 = 22,130.07/x
  3. Step 3: Cross multiply
    40,036.14x = 55,247.49 × 22,130.07
  4. Step 4: Simplify right side
    40,036.14x = 1,222,630,821.02
  5. Step 5: Solve for x
    x = 1,222,630,821.02/40,036.14
  6. Step 6: Final answer
    x = 30,538.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.